171 lines
3.9 KiB
C
171 lines
3.9 KiB
C
/* Copyright (C) 2015 by Yves Godin <support@nuranwireless.com>
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*
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <inttypes.h>
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#include "oc2gbts_bid.h"
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#define BOARD_REV_MAJ_SYSFS "/var/oc2g/platform/rev/major"
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#define BOARD_REV_MIN_SYSFS "/var/oc2g/platform/rev/minor"
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#define BOARD_OPT_SYSFS "/var/oc2g/platform/option"
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static const int option_type_mask[_NUM_OPTION_TYPES] = {
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[OC2GBTS_OPTION_OCXO] = 0x07,
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[OC2GBTS_OPTION_FPGA] = 0x03,
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[OC2GBTS_OPTION_PA] = 0x01,
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[OC2GBTS_OPTION_BAND] = 0x03,
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[OC2GBTS_OPTION_TX_ATT] = 0x01,
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[OC2GBTS_OPTION_TX_FIL] = 0x01,
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[OC2GBTS_OPTION_RX_ATT] = 0x01,
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[OC2GBTS_OPTION_RMS_FWD] = 0x01,
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[OC2GBTS_OPTION_RMS_REFL] = 0x01,
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[OC2GBTS_OPTION_DDR_32B] = 0x01,
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[OC2GBTS_OPTION_DDR_ECC] = 0x01,
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[OC2GBTS_OPTION_PA_TEMP] = 0x01,
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};
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static const int option_type_shift[_NUM_OPTION_TYPES] = {
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[OC2GBTS_OPTION_OCXO] = 0,
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[OC2GBTS_OPTION_FPGA] = 3,
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[OC2GBTS_OPTION_PA] = 5,
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[OC2GBTS_OPTION_BAND] = 6,
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[OC2GBTS_OPTION_TX_ATT] = 8,
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[OC2GBTS_OPTION_TX_FIL] = 9,
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[OC2GBTS_OPTION_RX_ATT] = 10,
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[OC2GBTS_OPTION_RMS_FWD] = 11,
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[OC2GBTS_OPTION_RMS_REFL] = 12,
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[OC2GBTS_OPTION_DDR_32B] = 13,
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[OC2GBTS_OPTION_DDR_ECC] = 14,
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[OC2GBTS_OPTION_PA_TEMP] = 15,
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};
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static char board_rev_maj = -1;
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static char board_rev_min = -1;
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static int board_option = -1;
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void oc2gbts_rev_get(char *rev_maj, char *rev_min)
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{
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FILE *fp;
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char rev;
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*rev_maj = 0;
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*rev_min = 0;
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if (board_rev_maj != -1 && board_rev_min != -1) {
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*rev_maj = board_rev_maj;
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*rev_min = board_rev_min;
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}
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fp = fopen(BOARD_REV_MAJ_SYSFS, "r");
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if (fp == NULL) return;
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if (fscanf(fp, "%c", &rev) != 1) {
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fclose(fp);
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return;
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}
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fclose(fp);
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*rev_maj = board_rev_maj = rev;
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fp = fopen(BOARD_REV_MIN_SYSFS, "r");
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if (fp == NULL) return;
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if (fscanf(fp, "%c", &rev) != 1) {
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fclose(fp);
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return;
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}
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fclose(fp);
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*rev_min = board_rev_min = rev;
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}
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const char* get_hwversion_desc()
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{
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int model;
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size_t len;
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static char model_name[64] = {0, };
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len = snprintf(model_name, sizeof(model_name), "NuRAN OC-2G BTS");
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char rev_maj = 0, rev_min = 0;
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oc2gbts_rev_get(&rev_maj, &rev_min);
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len += snprintf(model_name + len, sizeof(model_name) - len,
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" Rev %" PRIu8 ".%" PRIu8, (uint8_t)rev_maj, (uint8_t)rev_min);
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model = oc2gbts_model_get();
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if (model >= 0) {
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snprintf(model_name + len, sizeof(model_name) - len,
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"%s (%05X)", model_name, model);
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}
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return model_name;
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}
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int oc2gbts_model_get(void)
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{
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FILE *fp;
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int opt;
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if (board_option == -1) {
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fp = fopen(BOARD_OPT_SYSFS, "r");
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if (fp == NULL) {
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return -1;
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}
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if (fscanf(fp, "%X", &opt) != 1) {
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fclose( fp );
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return -1;
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}
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fclose(fp);
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board_option = opt;
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}
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return board_option;
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}
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int oc2gbts_option_get(enum oc2gbts_option_type type)
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{
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int rc;
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int option;
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if (type >= _NUM_OPTION_TYPES) {
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return -EINVAL;
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}
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if (board_option == -1) {
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rc = oc2gbts_model_get();
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if (rc < 0) return rc;
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}
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option = (board_option >> option_type_shift[type])
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& option_type_mask[type];
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return option;
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}
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